How to Prune agave 'Red Wing'?
No pruning required

agave 'Red Wing' · Agave 'Red Wing'
Grow in any well drained soil in a warm, sheltered spot in full sun. Water freely in summer and apply a balanced liquid fertiliser 3-4 times in the growing season. Keep almost dry in winter. Provide winter protection, or grow in a container and overwinter in a greenhouse or conservatory. See houseplant cacti and succulent cultivation for further information
No pruning required